Finding the Fourth Proportional to 10,510.56, 15,770.43 and 5,579.01

Step by Step Solution

1. Step 1: Write the proportion equation
   10,510.56 : 15,770.43 = 5,579.01 : x
2. Step 2: Convert to fraction form
   10,510.56/15,770.43 = 5,579.01/x
3. Step 3: Cross multiply
   10,510.56x = 15,770.43 × 5,579.01
4. Step 4: Simplify right side
   10,510.56x = 87,983,386.67
5. Step 5: Solve for x
   x = 87,983,386.67/10,510.56
6. Step 6: Final answer
   x = 8,370.95